Art Bibliographies Modern (ABM)Abstracts of journal articles, books, essays, exhibition catalogs, dissertations, and exhibition reviews. The scope of ARTbibliographies Modern extends from artists and movements beginning with Impressionism in the late 19th century, up to the most recent works and trends in the late 20th century. Photography is covered from its invention in 1839 to the present. A particular emphasis is placed upon adding new and lesser-known artists and on the coverage of foreign-language literature. Approximately 13,000 new entries are added each year.